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java.lang.Objectorg.eclipse.persistence.jpa.jpql.parser.AnonymousExpressionVisitor
org.eclipse.persistence.jpa.jpql.LiteralVisitor
public abstract class LiteralVisitor
This visitor traverses an Expression
and retrieves the "literal" value. The literal to retrieve depends on the type.
The literal is basically a string value like an identification variable name, an input parameter,
a path expression, an abstract schema name, etc.
Provisional API: This interface is part of an interim API that is still under development and expected to change significantly before reaching stability. It is available at this early stage to solicit feedback from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken (repeatedly) as the API evolves.
| Field Summary | |
|---|---|
java.lang.String |
literal
The literal value retrieved from the visited {@link org.eclipse.persistence.jpa.jpql.parser. |
protected LiteralType |
type
The LiteralType helps to determine when traversing an {@link org.eclipse.persistence. |
| Constructor Summary | |
|---|---|
protected |
LiteralVisitor()
Creates a new AbstractLiteralVisitor. |
| Method Summary | |
|---|---|
LiteralType |
getType()
Returns the way this visitor retrieves the literal value. |
void |
setType(LiteralType type)
Changes the way this visitor should retrieve the literal value. |
void |
visit(AbstractSchemaName expression)
Visits the AbstractSchemaName expression. |
void |
visit(CollectionValuedPathExpression expression)
Visits the CollectionValuedPathExpression expression. |
void |
visit(EntityTypeLiteral expression)
Visits the EntityTypeLiteral expression. |
void |
visit(FunctionExpression expression)
Visits the FunctionExpression expression. |
void |
visit(IdentificationVariable expression)
Visits the IdentificationVariable expression. |
void |
visit(InputParameter expression)
Visits the InputParameter expression. |
void |
visit(Join expression)
Visits the Join expression. |
void |
visit(ResultVariable expression)
Visits the ResultVariable expression. |
void |
visit(StateFieldPathExpression expression)
Visits the StateFieldPathExpression expression. |
void |
visit(StringLiteral expression)
Visits the StringLiteral expression. |
void |
visit(TreatExpression expression)
Visits the TreatExpression expression. |
protected void |
visitAbstractPathExpression(AbstractPathExpression expression)
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| Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.AnonymousExpressionVisitor |
|---|
visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public java.lang.String literal
Expression Expression.
protected LiteralType type
LiteralType helps to determine when traversing an jpa.jpql.parser.Expression Expression what to retrieve.
| Constructor Detail |
|---|
protected LiteralVisitor()
AbstractLiteralVisitor.
| Method Detail |
|---|
public LiteralType getType()
LiteralTypespublic void setType(LiteralType type)
type - One of the possible LiteralTypespublic void visit(AbstractSchemaName expression)
AbstractSchemaName expression.
visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(CollectionValuedPathExpression expression)
CollectionValuedPathExpression expression.
visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(EntityTypeLiteral expression)
EntityTypeLiteral expression.
visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(FunctionExpression expression)
FunctionExpression expression.
visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(IdentificationVariable expression)
IdentificationVariable expression.
visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(InputParameter expression)
InputParameter expression.
visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(Join expression)
Join expression.
visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(ResultVariable expression)
ResultVariable expression.
visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(StateFieldPathExpression expression)
StateFieldPathExpression expression.
visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(StringLiteral expression)
StringLiteral expression.
visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitpublic void visit(TreatExpression expression)
TreatExpression expression.
visit in interface ExpressionVisitorvisit in class AnonymousExpressionVisitorexpression - The Expression to visitprotected void visitAbstractPathExpression(AbstractPathExpression expression)
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